Expansion Sleeve Coupling

1881 Scientific American  
Having followed this general description as far as it applies to both eylinders, it will be more convenient here after to describe the connections of each separately, com mencing in each case at the lowest point of attachment in the lock and proceeding upward and toward the cylinder.
doi:10.1038/scientificamerican05141881-4464asupp fatcat:y3ys3wujwnhx5otsxwglacqcgq